package com.etc;


import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

public class WordCountReduce extends Reducer<Text, IntWritable,Text, IntWritable> {


    @Override
    protected void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {

        //计数
        int count = 0;

        for (IntWritable value : values) {
            count = count + value.get();
        }

        context.write(key,new IntWritable(count));
    }
}